Chemistry, 18.11.2019 02:31 xxxamslashxxx9
Someonei am confused on how to do this if you could explain a bit that would be (you will get 15 points for answering this! )
question 1
a solvent is the material that dissolves another substance
true
false
question 2
in a solution of sugar dissolved in water, sugar is the solvent.
true
false
question 3
when a solution reaches saturation, which of the following is true?
it can hold no more solute.
it holds one-half the maximum amount of solute.
it will continue to dissolve the solute.
the solvent can hold more solute.
question 4
a solution is a type of mixture.
true
false
question 5
as temperature increases, the amount of solute that a solvent can dissolve increases.
true
false
question 9
burning is an example of a physical change.
true
false
Answers: 1
Chemistry, 22.06.2019 07:30
The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.
Answers: 2
Chemistry, 22.06.2019 15:00
20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?
Answers: 1
Chemistry, 22.06.2019 20:30
A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction
Answers: 2
Chemistry, 22.06.2019 20:30
What is a difference between a mixture of elements and a mixture of compounds
Answers: 1
Someonei am confused on how to do this if you could explain a bit that would be (you will get 15 po...
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